Part 38

Bypass Defenses: You can go under the fencing via spaces in the sitting area fountains, or use a small grate accessible by possessed fish leading into the 1F courtyard. Alternatively, bypass defenses by dropping from the southern cliffs, accessible from the associate's apartment balcony pipework. From there, you can use the courtyard, B1 methods, or infiltrate via an open 2F kitchen window.

Quickest Way to Eliminate Ashworth & Her Coven (Requires Powers): Enter the 1F outdoor courtyard. Use the fountain fish statue to Blink/Far Reach up to 2F sills, then enter the small western section. Teleport up to the 3F interior balcony, hop across chandeliers to access the roof via an open skylight panel. Enter the 4F southern effigies room with an open window and obtain the "discarded lenses" from the lit-up table. Proceed to the 4F hallway and use the open window to see the western 2F area with blue runes on the floor. Teleport down via chandeliers to the 2F area. Inspect the Oraculum machine (lenses exchange automatically) and pull the lever. This knocks out all witches, including those in the streets if still present.

Royal Conservatory - B1 Area Walkthrough: Start at the lowest level and work upwards. Access the basement via the outdoor fountain grate, behind the wall of light, the 1F courtyard window, or interior 1F stairwells. Locate the maintenance tunnel behind the outdoor fountain with a copper wire in its grate near a bloodfly-ridden corpse. The "restricted area" door leads into the basement, but beware of a gravehound that revives unless its skull is smashed. It can be sniped from the 1F courtyard window or dealt with by sneaking and stabbing.

Trophy: Circle of Life: Use a single use of Possession (Corvo-only in normal playthroughs) and chain between a human, hound, rat, fish, and bloodfly. The area around the sewer and outer fountains is ideal for this.

Exhibit Maintenance Block: Find three raw whalebone on a lamplit table and a slain black marketeer's comrade at a dining table.

Quartermaster's Office: Find a bonecharm in a smashable display case, the Archive Key, and a conservatory map. This key unlocks another B1 area.

Bloodfly Hallway: This hallway contains bloodflies and two witches. Tranq the witches and smash the nests to collect three blood ambers.

Forbidden Archive: Unlock with the Archive Key from the quartermaster's office, or access via a crawlspace on the south side. Find Delilah's painting ("Her Heart, I Bathed in Poison") and avocet feathers between sliding bookcases. A rune is in the display next to the audiograph player.